/Engine/Source/Runtime/Engine/Classes/AI/Navigation/NavigationDirtyElement.h
struct FNavigationDirtyElement
uint8:  1
bHasPrevData
Prev flags & bounds data are set
uint8:  1
bInvalidRequest
Request was invalidated while queued, use prev values to dirty area
uint8:  1
bIsFromVisibilityChange
Requested during visibility change of the owning level (loading/unloading)
uint8:  1
bIsInBaseNavmesh
Part of the base navmesh
int32
FlagsOverride
Override for update flags
INavRelevantInt...
NavInterface
Cached interface pointer
FWeakObjectPtr
Owner
Object owning this element
FBox
PrevBounds
Bounds of already existing entry for this actor
int32
PrevFlags
Flags of already existing entry for this actor